Garmin Rally RS/XC210 Pedals Body: Composite/Carbon Spindle: Stainless Steel BlackPedal based power meter bundle for road (compatible with SHIMANO SPD SL cleats) and off road (compatible with SHIMANO SPD cleats) Pedals install like any other pedals and quickly transfer between bikes; removable power sensor allows for use with included road and off road pedal bodies Dual sensing for cycling dynamics data, including left right balance, seated versus standing, platform center offset and power phase New strain gauge and gyroscope make